349502078 has 8 divisors (see below), whose sum is σ = 524642400. Its totient is φ = 174621280.

The previous prime is 349502077. The next prime is 349502129. The reversal of 349502078 is 870205943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349502071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61478 + ... + 66921.

It is an arithmetic number, because the mean of its divisors is an integer number (65580300).

Almost surely, 2^349502078 is an apocalyptic number.

349502078 is a deficient number, since it is larger than the sum of its proper divisors (175140322).

349502078 is a wasteful number, since it uses less digits than its factorization.

349502078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129762.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 349502078 is about 18694.9746723551. The cubic root of 349502078 is about 704.3955236440.

The spelling of 349502078 in words is "three hundred forty-nine million, five hundred two thousand, seventy-eight".